package 链表;
    public interface IList {
        public void insert(int i,Object obj)throws Exception;//插入
        public Object delete(int i)throws Exception; //删除
        public Object getData(int i)throws Exception; //按编号查找
        public int locateData(Object obj)throws Exception;//按特征查找
        public void print()throws Exception; //遍历显示
        public int size(); //求表长
        public boolean isEmpty(); //是否为空
    }
